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施工技术

单护盾TBM在突泥涌砂地质段施工探讨

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  • (中铁隧道股份有限公司, 郑州 450001)
高琨(1982—),男,甘肃镇原人,2007年毕业于大连交通大学交通土建专业,本科,助理工程师,主要从事TBM施工管理工作。

收稿日期: 2011-11-15

  修回日期: 2011-12-30

  网络出版日期: 2012-03-09

Tunneling in Mud/Sand Bursting Geology by Singleshield TBM

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  • (China Railway Tunnel Stock Co., Ltd., Zhengzhou 450001, China)

Received date: 2011-11-15

  Revised date: 2011-12-30

  Online published: 2012-03-09

摘要

以甘肃省引洮供水一期工程7#隧洞为例,针对国内首台单护盾TBM在通过含水疏松砂岩地质地段发生突泥涌水、突泥涌砂等施工问题进行研究。通过在突泥涌砂地质段采用超前地质预报,管片背部注浆作业,超前固结灌浆,稀释后排水、排砂等处理措施,成功治理了突泥涌砂现象,为确保TBM正常施工创造了条件。

本文引用格式

高琨 . 单护盾TBM在突泥涌砂地质段施工探讨[J]. 隧道建设, 2012 , 32(1) : 94 -98 . DOI: 10.3973/j.issn.1672-741X.2012.01.016

Abstract

No. 7 tunnel of the first phase of Tao River Diversion Project in Gansu Province is excavated by a singleshield TBM. During the construction of the tunnel, water/mud/sand bursting occurs. Countermeasures, including advance geology prediction, backfilling grouting for gaps behind the segment, advance consolidation grouting and water/sand releasing after diluting, are taken to cope with the situation. 
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